Yes, it is possible to have papers for a Pet dog that is previously an Grownup, but the process can be extra advanced and time-consuming than registering a Pup. Grownup canine is often registered that has a kennel club or registry, but the owner have to provide documentation that proves https://www.openpr.com/news/4286965/how-to-get-papers-for-a-dog-the-complete-step-by-step-guide